TIDEMARK


Meaning of TIDEMARK in English

/ ˈtaɪdmɑːk; NAmE -mɑːrk/ noun

1.

a line that is made by the sea on a beach at the highest point that the sea reaches

2.

( BrE , informal ) a line that is left around the inside of a bath/ bathtub by dirty water

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.